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Finding the Fourth Proportional to 38,385, 57,543.54 and 14,995.08

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Solution

The fourth proportional to 38,385, 57,543.54 and 14,995.08 is: 22,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385 : 57,543.54 = 14,995.08 : x
  2. Step 2: Convert to fraction form
    38,385/57,543.54 = 14,995.08/x
  3. Step 3: Cross multiply
    38,385x = 57,543.54 × 14,995.08
  4. Step 4: Simplify right side
    38,385x = 862,869,985.78
  5. Step 5: Solve for x
    x = 862,869,985.78/38,385
  6. Step 6: Final answer
    x = 22,479.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.